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M24LR04E-R 데이터시트(PDF) 95 Page - STMicroelectronics

부품명 M24LR04E-R
상세설명  4-Kbit EEPROM with password protection, dual interface & energy harvesting: 400 kHz I²C bus & ISO 15693 RF protocol at 13.56 MHz
PDF  142 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M24LR04E-R 데이터시트(HTML) 95 Page - STMicroelectronics

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M24LR04E-R
Command codes
Doc ID 022208 Rev 5
95/142
26.10
Write DSFID
On receiving the Write DSFID request, the M24LR04E-R programs the 8-bit DSFID value to
its memory. The Option_flag is supported.
During the RF write cycle Wt, there should be no modulation (neither 100% nor 10%),
otherwise, the M24LR04E-R may not write correctly the DSFID value in memory. The Wt
time is equal to t1nom + 18 × 302 µs.
Request parameter:
●
Request flags
●
UID (optional)
●
DSFID
Response parameter:
●
No parameter
Response parameter:
●
Error code as Error_flag is set
–
12h: the specified block is locked and its contents cannot be changed
–
13h: the specified block was not successfully programmed
Table 63.
Write DSFID request format
Request
SOF
Request_
flags
Write
DSFID
UID(1)
1.
Gray means that the field is optional.
DSFID
CRC16
Request
EOF
8 bits
29h
64 bits
8 bits
16 bits
Table 64.
Write DSFID response format when Error_flag is NOT set
Response
SOF
Response_flags
CRC16
Response
EOF
8 bits
16 bits
Table 65.
Write DSFID response format when Error_flag is set
Response
SOF
Response_flags
Error code
CRC16
Response
EOF
8 bits
8 bits
16 bits



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